• America's Leader in Lightweight Aggregate

    America's Leader in Lightweight Aggregate

    Trinity Lightweight is the largest producer of rotary kiln expanded shale and clay lightweight aggregate in North America, with production facilities in California, Colorado, Texas, Louisiana, Alabama and Arkansas.

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  • A Leader in Research, Testing & Field Studies

    A Leader in Research,
    Testing & Field Studies

    Trinity Lightweight is a top supporter of research, independent testing and field studies to improve the manufacturing process and expand the beneficial uses of the product.

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  • Experienced Technical Sales Representatives

    It is our goal at Trinity Lightweight to make your project successful, by providing not only quality lightweight aggregate, but also a capable, experienced and knowledgeable team of technical sales professionals.

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At Trinity Lightweight, We Help Our Customers Make Money.

How do we do that? By providing solutions through quality lightweight aggregate and expertise that help our customers reduce their costs and increase their profits. Because we can tailor the solution to meet the specific needs of the customer, and deliver the right material in the most economical manner, we help minimize costs and maximize profits.
 Quality

Quality

At Trinity Lightweight™, we aim to provide the highest quality expanded shale and clay lightweight aggregates.

Each production facility has a quality control plan in place to ensure consistency in unit weight and gradation of the product going to each customer.

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 Knowledge

Knowledge

Trinity Lightweight’s production team has decades of experience producing rotary kiln lightweight aggregate.

Our team leaders actively help the industry, developing new processes, working on technology training, and transferring the latest advancements to our production facilities.

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 Service

Service

Our experienced, knowledgeable sales team guides customers to the optimum lightweight aggregate for their project.

From gradation selection to assistance with concrete mixture proportioning, Trinity Lightweight™ is ready to help each customer make the right decision for his or her project.

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AIA Approved Lunch and Learns Available.

Trinity Lightweight frequently develops new processes, conducts technology training, and transfers the latest advancements to our production facilities. To support this educational mission, our well-qualified staff offer AIA approved presentations on a number of topics. We frequently host "Lunch and Learns" designed to focus on a specific product applications.

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Riverlite
Trugro
PaveGro
Intracure
Diamond Pro
HydroLite

Recent Case Studies

Effect of Lightweight Aggregate on Early-Age Cracking of Mass Concrete Schindler and Tankasala, Auburn University

Effect of Lightweight Aggregate on Early-Age Cracking of Mass Concrete Schindler and Tankasala, Auburn University

Early-age cracking in mass concrete structures is a severe problem that can lead to long-term serviceability problems. Researchers at Auburn University conducted a study to evaluate the effects of using lightweight aggregates on the early-age cracking tendency of mass concrete..

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Determination of Transport Properties of Lightweight Aggregate Concrete for Service Life Modeling Tourney Consulting Group

Determination of Transport Properties of Lightweight Aggregate Concrete for Service Life Modeling Tourney Consulting Group

Tourney Consulting Group has completed a study to determine the effects of Expanded Shale, Clay and Slate (ESCS) lightweight coarse and fine aggregates on the transport properties of concrete. The transport properties were then used in several service life prediction programs including STADIUM®, Life 365™ and in analysis performed in accordance with fib Bulletin 34.

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Over 1-Million Lightweight CMU Used in Missouri Hospital

Over 1-Million Lightweight CMU Used in Missouri Hospital

Over one million lightweight concrete block are being used to construct a new psychiatric hospital campus in Central Missouri. The concrete masonry units are being manufactured by Midwest Block and Brick and utilize Trinity Lightweight’s Riverlite® produced in Erwinville, Louisiana.

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MoDOT: Economical and Crack-Free High-Performance Concrete for Pavement and Transportation Infrastructure Construction

MoDOT: Economical and Crack-Free High-Performance Concrete for Pavement and Transportation Infrastructure Construction

The Missouri Department of Transportation, in conjunction with the Missouri University of Science and Technology, recently researched the behavior of a new class of environmentally friendly and cost-effective high-performance concrete (HPC) they refer to as Eco-HPC.

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Trinity Releases White Paper on Internal Curing for Highway Pavements

Trinity Releases White Paper on Internal Curing for Highway Pavements

Trinity Lightweight, America's leader in lightweight aggregate, is pleased to announce the immediate availability of a new white paper exploring the use of internal curing for highway pavements.

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Texas

14885 South Interstate 45
Streetman, Texas 75859

1.800.581.3117

California

17410 E Lockwood Valley Rd
Frazier Park, CA 93225

661.245.3736

Colorado

11728 Highway 93
Boulder, CO 80303

303.499.1010

Alabama

P.O. Box Drawer V
Livingston, AL 35470

205.652.9688

Louisiana

12652 Airline Hwy
Erwinville, LA 70729

225.627.4242

Arkansas

3719 Mounds Rd
Proctor, AR 72376

1.800.342.5483